diff options
| author | David S. Miller <davem@davemloft.net> | 2012-05-14 22:02:08 -0700 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2012-05-15 10:22:00 -0700 |
| commit | c7020eb4661eaf568a277056258a387ef88a9349 (patch) | |
| tree | 4875adf04fa47e5da1a2cc7c2376ce876b784c09 /arch/sparc/kernel | |
| parent | 834b97f15455097ccad36e098950b8ad2435f611 (diff) | |
sparc32: Remove cypress cpu support.
It's the one aberration in v8, the only cpu that
didn't actually have hardware multiply and divide
instructions.
Signed-off-by: David S. Miller <davem@davemloft.net>
Acked-by: Sam Ravnborg <sam@ravnborg.org>
Diffstat (limited to 'arch/sparc/kernel')
| -rw-r--r-- | arch/sparc/kernel/head_32.S | 15 | ||||
| -rw-r--r-- | arch/sparc/kernel/irq_32.c | 11 |
2 files changed, 0 insertions, 26 deletions
diff --git a/arch/sparc/kernel/head_32.S b/arch/sparc/kernel/head_32.S index 9b2d43db2c46..6c95e9ff8718 100644 --- a/arch/sparc/kernel/head_32.S +++ b/arch/sparc/kernel/head_32.S @@ -746,21 +746,6 @@ sun4d_init: /* Fall through to sun4m_init */ sun4m_init: - /* XXX Fucking Cypress... */ - lda [%g0] ASI_M_MMUREGS, %g5 - srl %g5, 28, %g4 - - cmp %g4, 1 - bne 1f - srl %g5, 24, %g4 - - and %g4, 0xf, %g4 - cmp %g4, 7 /* This would be a HyperSparc. */ - - bne 2f - nop - -1: #define PATCH_IT(dst, src) \ set (dst), %g5; \ diff --git a/arch/sparc/kernel/irq_32.c b/arch/sparc/kernel/irq_32.c index a33009f24872..ae04914f7774 100644 --- a/arch/sparc/kernel/irq_32.c +++ b/arch/sparc/kernel/irq_32.c @@ -23,14 +23,6 @@ #include "kernel.h" #include "irq.h" -#ifdef CONFIG_SMP -#define SMP_NOP2 "nop; nop;\n\t" -#define SMP_NOP3 "nop; nop; nop;\n\t" -#else -#define SMP_NOP2 -#define SMP_NOP3 -#endif /* SMP */ - /* platform specific irq setup */ struct sparc_config sparc_config; @@ -41,7 +33,6 @@ unsigned long arch_local_irq_save(void) __asm__ __volatile__( "rd %%psr, %0\n\t" - SMP_NOP3 /* Sun4m + Cypress + SMP bug */ "or %0, %2, %1\n\t" "wr %1, 0, %%psr\n\t" "nop; nop; nop\n" @@ -59,7 +50,6 @@ void arch_local_irq_enable(void) __asm__ __volatile__( "rd %%psr, %0\n\t" - SMP_NOP3 /* Sun4m + Cypress + SMP bug */ "andn %0, %1, %0\n\t" "wr %0, 0, %%psr\n\t" "nop; nop; nop\n" @@ -76,7 +66,6 @@ void arch_local_irq_restore(unsigned long old_psr) __asm__ __volatile__( "rd %%psr, %0\n\t" "and %2, %1, %2\n\t" - SMP_NOP2 /* Sun4m + Cypress + SMP bug */ "andn %0, %1, %0\n\t" "wr %0, %2, %%psr\n\t" "nop; nop; nop\n" |